Foam chair



FIG. 1 is a perspective view of a foam chair showing the new design;

FIG. 2 is a left side view thereof, with the right side view being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front view thereof. 

CLAIM The ornamental design for a foam chair, as shown and described. 